public void FavoritesAndGroupsReloadTest()
{
IFavorite favToRemove = this.AddFavorite();
IGroup groupToRemove = this.AddNewGroup("GroupToRemove");
// not connected each other
Tuple<IFavorite, IGroup> toRemove = new Tuple<IFavorite, IGroup>(favToRemove, groupToRemove);
Tuple<IFavorite, IGroup> toUpdate = this.AddFavoriteWithGroup("GroupToUpdate");
var testFileWatch = new TestFileWatch();
var secondaryPersistence = this.InitializeSecondaryPersistence(testFileWatch);
//do the next steps ot be able serialize otherwise paraller work of persistences refresh and dont relay on OS file changes
//1. kick off the file changed event in background thread to let the secondary persistence reload in parallel
ThreadPool.QueueUserWorkItem(new WaitCallback((state) => testFileWatch.FireFileChanged()));
//2. do the changes in primary persistence, this is not noticed in secondary persistence yet
Tuple<IFavorite, IGroup> added = this.UpdatePrimaryPersistenceFavorites(toUpdate, toRemove);
testFileWatch.ObservationWatch.Set(); // signal secondary persistence, that changes are ready to reload
//3. wait till secondary persistence is done with reload
testFileWatch.ReleaseWatch.WaitOne(6000);
//4. assert the results in secondary persistence
int secondaryFavoritesCount = secondaryPersistence.Favorites.Count();
Assert.AreEqual(2, secondaryFavoritesCount); // one updated and one added
Assert.AreEqual(this.addedFavoriteId, added.Item1.Id, "Didnt receive favorite add event");
Assert.AreEqual(this.updatedFavoriteId, toUpdate.Item1.Id, "Didnt receive favorite update event");
Assert.AreEqual(this.deletedFavoriteId, toRemove.Item1.Id, "Didnt receive favorite removed event");
int secondaryGroupsCount = secondaryPersistence.Groups.Count();
Assert.AreEqual(2, secondaryGroupsCount); // one updated and one added
Assert.AreEqual(this.addedGroupId, ((Group)added.Item2).Id, "Didnt receive group added event");
Assert.AreEqual(this.deletedGroupId, ((Group)toRemove.Item2).Id, "Didnt receive group removed event");
Assert.AreEqual(this.updatedGroupId, ((Group)toUpdate.Item2).Id, "Didnt receive group updated event");
}
private FilePersistence InitializeSecondaryPersistence(TestFileWatch testFileWatch)
{
FilePersistence secondaryPersistence = CreateFilePersistence(testFileWatch);
secondaryPersistence.Dispatcher.FavoritesChanged += this.DispatcherOnFavoritesChanged;
secondaryPersistence.Dispatcher.GroupsChanged += this.DispatcherOnGroupsChanged;
return(secondaryPersistence);
}
public void FavoritesAndGroupsReload_ReportsAllEvents()
{
IFavorite favToRemove = this.AddFavorite();
IGroup groupToRemove = this.AddNewGroup("GroupToRemove");
// not connected each other
Tuple <IFavorite, IGroup> toRemove = new Tuple <IFavorite, IGroup>(favToRemove, groupToRemove);
Tuple <IFavorite, IGroup> toUpdate = this.AddFavoriteWithGroup("GroupToUpdate");
var testFileWatch = new TestFileWatch();
var secondaryPersistence = this.InitializeSecondaryPersistence(testFileWatch);
//do the next steps ot be able serialize otherwise paraller work of persistences refresh and dont relay on OS file changes
//1. kick off the file changed event in background thread to let the secondary persistence reload in parallel
ThreadPool.QueueUserWorkItem(new WaitCallback((state) => testFileWatch.FireFileChanged()));
//2. do the changes in primary persistence, this is not noticed in secondary persistence yet
Tuple <IFavorite, IGroup> added = this.UpdatePrimaryPersistenceFavorites(toUpdate, toRemove);
testFileWatch.ObservationWatch.Set(); // signal secondary persistence, that changes are ready to reload
//3. wait till secondary persistence is done with reload
testFileWatch.ReleaseWatch.WaitOne(6000);
//4. assert the results in secondary persistence
int secondaryFavoritesCount = secondaryPersistence.Favorites.Count();
Assert.AreEqual(2, secondaryFavoritesCount); // one updated and one added
Assert.AreEqual(this.addedFavoriteId, added.Item1.Id, "Didnt receive favorite add event");
Assert.AreEqual(this.updatedFavoriteId, toUpdate.Item1.Id, "Didnt receive favorite update event");
Assert.AreEqual(this.deletedFavoriteId, toRemove.Item1.Id, "Didnt receive favorite removed event");
int secondaryGroupsCount = secondaryPersistence.Groups.Count();
Assert.AreEqual(2, secondaryGroupsCount); // one updated and one added
Assert.AreEqual(this.addedGroupId, ((Group)added.Item2).Id, "Didnt receive group added event");
Assert.AreEqual(this.deletedGroupId, ((Group)toRemove.Item2).Id, "Didnt receive group removed event");
Assert.AreEqual(this.updatedGroupId, ((Group)toUpdate.Item2).Id, "Didnt receive group updated event");
}
private FilePersistence InitializeSecondaryPersistence(TestFileWatch testFileWatch)
{
var secondaryPersistence = new FilePersistence(new PersistenceSecurity(), testFileWatch);
// let the persistence load initial state
secondaryPersistence.Initialize();
secondaryPersistence.Dispatcher.FavoritesChanged += this.DispatcherOnFavoritesChanged;
secondaryPersistence.Dispatcher.GroupsChanged += this.DispatcherOnGroupsChanged;
return secondaryPersistence;
}